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Finding the Fourth Proportional to 584,512.20, 876,768.30 and 549,520.20

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Solution

The fourth proportional to 584,512.20, 876,768.30 and 549,520.20 is: 824,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,512.20 : 876,768.30 = 549,520.20 : x
  2. Step 2: Convert to fraction form
    584,512.20/876,768.30 = 549,520.20/x
  3. Step 3: Cross multiply
    584,512.20x = 876,768.30 × 549,520.20
  4. Step 4: Simplify right side
    584,512.20x = 481,801,891,569.66
  5. Step 5: Solve for x
    x = 481,801,891,569.66/584,512.20
  6. Step 6: Final answer
    x = 824,280.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.